Home / 74,008.72-102,151.02-45,698.14

Finding the Fourth Proportional to 74,008.72, 102,151.02 and 45,698.14

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Solution

The fourth proportional to 74,008.72, 102,151.02 and 45,698.14 is: 63,075.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,008.72 : 102,151.02 = 45,698.14 : x
  2. Step 2: Convert to fraction form
    74,008.72/102,151.02 = 45,698.14/x
  3. Step 3: Cross multiply
    74,008.72x = 102,151.02 × 45,698.14
  4. Step 4: Simplify right side
    74,008.72x = 4,668,111,613.10
  5. Step 5: Solve for x
    x = 4,668,111,613.10/74,008.72
  6. Step 6: Final answer
    x = 63,075.16

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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.