Home / 94,151.12-129,928.02-51,131.48

Finding the Fourth Proportional to 94,151.12, 129,928.02 and 51,131.48

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Solution

The fourth proportional to 94,151.12, 129,928.02 and 51,131.48 is: 70,561.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,151.12 : 129,928.02 = 51,131.48 : x
  2. Step 2: Convert to fraction form
    94,151.12/129,928.02 = 51,131.48/x
  3. Step 3: Cross multiply
    94,151.12x = 129,928.02 × 51,131.48
  4. Step 4: Simplify right side
    94,151.12x = 6,643,411,956.07
  5. Step 5: Solve for x
    x = 6,643,411,956.07/94,151.12
  6. Step 6: Final answer
    x = 70,561.16

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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.