Home / 54,461.90-75,155.10-31,802.16

Finding the Fourth Proportional to 54,461.90, 75,155.10 and 31,802.16

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Solution

The fourth proportional to 54,461.90, 75,155.10 and 31,802.16 is: 43,885.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,461.90 : 75,155.10 = 31,802.16 : x
  2. Step 2: Convert to fraction form
    54,461.90/75,155.10 = 31,802.16/x
  3. Step 3: Cross multiply
    54,461.90x = 75,155.10 × 31,802.16
  4. Step 4: Simplify right side
    54,461.90x = 2,390,094,515.02
  5. Step 5: Solve for x
    x = 2,390,094,515.02/54,461.90
  6. Step 6: Final answer
    x = 43,885.62

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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.