Home / 83,602.04-125,412.56-30,319.13

Finding the Fourth Proportional to 83,602.04, 125,412.56 and 30,319.13

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Solution

The fourth proportional to 83,602.04, 125,412.56 and 30,319.13 is: 45,482.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,602.04 : 125,412.56 = 30,319.13 : x
  2. Step 2: Convert to fraction form
    83,602.04/125,412.56 = 30,319.13/x
  3. Step 3: Cross multiply
    83,602.04x = 125,412.56 × 30,319.13
  4. Step 4: Simplify right side
    83,602.04x = 3,802,398,931.61
  5. Step 5: Solve for x
    x = 3,802,398,931.61/83,602.04
  6. Step 6: Final answer
    x = 45,482.13

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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.