Home / 54,312.04-74,872.08-38,130.06

Finding the Fourth Proportional to 54,312.04, 74,872.08 and 38,130.06

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Solution

The fourth proportional to 54,312.04, 74,872.08 and 38,130.06 is: 52,564.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,312.04 : 74,872.08 = 38,130.06 : x
  2. Step 2: Convert to fraction form
    54,312.04/74,872.08 = 38,130.06/x
  3. Step 3: Cross multiply
    54,312.04x = 74,872.08 × 38,130.06
  4. Step 4: Simplify right side
    54,312.04x = 2,854,876,902.72
  5. Step 5: Solve for x
    x = 2,854,876,902.72/54,312.04
  6. Step 6: Final answer
    x = 52,564.35

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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.