Home / 113,670.51-156,861.70-62,685.39

Finding the Fourth Proportional to 113,670.51, 156,861.70 and 62,685.39

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Solution

The fourth proportional to 113,670.51, 156,861.70 and 62,685.39 is: 86,503.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,670.51 : 156,861.70 = 62,685.39 : x
  2. Step 2: Convert to fraction form
    113,670.51/156,861.70 = 62,685.39/x
  3. Step 3: Cross multiply
    113,670.51x = 156,861.70 × 62,685.39
  4. Step 4: Simplify right side
    113,670.51x = 9,832,937,536.53
  5. Step 5: Solve for x
    x = 9,832,937,536.53/113,670.51
  6. Step 6: Final answer
    x = 86,503.85

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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.