Home / 91,585.41-137,397.84-28,404.26

Finding the Fourth Proportional to 91,585.41, 137,397.84 and 28,404.26

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Solution

The fourth proportional to 91,585.41, 137,397.84 and 28,404.26 is: 42,612.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,585.41 : 137,397.84 = 28,404.26 : x
  2. Step 2: Convert to fraction form
    91,585.41/137,397.84 = 28,404.26/x
  3. Step 3: Cross multiply
    91,585.41x = 137,397.84 × 28,404.26
  4. Step 4: Simplify right side
    91,585.41x = 3,902,683,283.81
  5. Step 5: Solve for x
    x = 3,902,683,283.81/91,585.41
  6. Step 6: Final answer
    x = 42,612.50

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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.