Home / 113,050.63-156,010.47-70,633.76

Finding the Fourth Proportional to 113,050.63, 156,010.47 and 70,633.76

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Solution

The fourth proportional to 113,050.63, 156,010.47 and 70,633.76 is: 97,474.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,050.63 : 156,010.47 = 70,633.76 : x
  2. Step 2: Convert to fraction form
    113,050.63/156,010.47 = 70,633.76/x
  3. Step 3: Cross multiply
    113,050.63x = 156,010.47 × 70,633.76
  4. Step 4: Simplify right side
    113,050.63x = 11,019,606,095.47
  5. Step 5: Solve for x
    x = 11,019,606,095.47/113,050.63
  6. Step 6: Final answer
    x = 97,474.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.