Home / 66,612.02-99,432.09-58,204.40

Finding the Fourth Proportional to 66,612.02, 99,432.09 and 58,204.40

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Solution

The fourth proportional to 66,612.02, 99,432.09 and 58,204.40 is: 86,881.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,612.02 : 99,432.09 = 58,204.40 : x
  2. Step 2: Convert to fraction form
    66,612.02/99,432.09 = 58,204.40/x
  3. Step 3: Cross multiply
    66,612.02x = 99,432.09 × 58,204.40
  4. Step 4: Simplify right side
    66,612.02x = 5,787,384,642.04
  5. Step 5: Solve for x
    x = 5,787,384,642.04/66,612.02
  6. Step 6: Final answer
    x = 86,881.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.