Home / 62,937.76-86,881.32-45,001.60

Finding the Fourth Proportional to 62,937.76, 86,881.32 and 45,001.60

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Solution

The fourth proportional to 62,937.76, 86,881.32 and 45,001.60 is: 62,121.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,937.76 : 86,881.32 = 45,001.60 : x
  2. Step 2: Convert to fraction form
    62,937.76/86,881.32 = 45,001.60/x
  3. Step 3: Cross multiply
    62,937.76x = 86,881.32 × 45,001.60
  4. Step 4: Simplify right side
    62,937.76x = 3,909,798,410.11
  5. Step 5: Solve for x
    x = 3,909,798,410.11/62,937.76
  6. Step 6: Final answer
    x = 62,121.66

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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.