Home / 62,139.29-85,802.85-50,656.05

Finding the Fourth Proportional to 62,139.29, 85,802.85 and 50,656.05

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Solution

The fourth proportional to 62,139.29, 85,802.85 and 50,656.05 is: 69,946.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,139.29 : 85,802.85 = 50,656.05 : x
  2. Step 2: Convert to fraction form
    62,139.29/85,802.85 = 50,656.05/x
  3. Step 3: Cross multiply
    62,139.29x = 85,802.85 × 50,656.05
  4. Step 4: Simplify right side
    62,139.29x = 4,346,433,459.74
  5. Step 5: Solve for x
    x = 4,346,433,459.74/62,139.29
  6. Step 6: Final answer
    x = 69,946.63

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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.