Home / 84,465.06-126,762.93-42,387.18

Finding the Fourth Proportional to 84,465.06, 126,762.93 and 42,387.18

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Solution

The fourth proportional to 84,465.06, 126,762.93 and 42,387.18 is: 63,613.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,465.06 : 126,762.93 = 42,387.18 : x
  2. Step 2: Convert to fraction form
    84,465.06/126,762.93 = 42,387.18/x
  3. Step 3: Cross multiply
    84,465.06x = 126,762.93 × 42,387.18
  4. Step 4: Simplify right side
    84,465.06x = 5,373,123,131.24
  5. Step 5: Solve for x
    x = 5,373,123,131.24/84,465.06
  6. Step 6: Final answer
    x = 63,613.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.