Home / 94,785.49-130,743.91-72,074.69

Finding the Fourth Proportional to 94,785.49, 130,743.91 and 72,074.69

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Solution

The fourth proportional to 94,785.49, 130,743.91 and 72,074.69 is: 99,417.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,785.49 : 130,743.91 = 72,074.69 : x
  2. Step 2: Convert to fraction form
    94,785.49/130,743.91 = 72,074.69/x
  3. Step 3: Cross multiply
    94,785.49x = 130,743.91 × 72,074.69
  4. Step 4: Simplify right side
    94,785.49x = 9,423,326,487.74
  5. Step 5: Solve for x
    x = 9,423,326,487.74/94,785.49
  6. Step 6: Final answer
    x = 99,417.39

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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.