Home / 113,045.63-156,003.57-70,628.76

Finding the Fourth Proportional to 113,045.63, 156,003.57 and 70,628.76

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Solution

The fourth proportional to 113,045.63, 156,003.57 and 70,628.76 is: 97,468.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,045.63 : 156,003.57 = 70,628.76 : x
  2. Step 2: Convert to fraction form
    113,045.63/156,003.57 = 70,628.76/x
  3. Step 3: Cross multiply
    113,045.63x = 156,003.57 × 70,628.76
  4. Step 4: Simplify right side
    113,045.63x = 11,018,338,704.67
  5. Step 5: Solve for x
    x = 11,018,338,704.67/113,045.63
  6. Step 6: Final answer
    x = 97,468.07

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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.