Home / 54,937.48-75,810.72-31,068.94

Finding the Fourth Proportional to 54,937.48, 75,810.72 and 31,068.94

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Solution

The fourth proportional to 54,937.48, 75,810.72 and 31,068.94 is: 42,873.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,937.48 : 75,810.72 = 31,068.94 : x
  2. Step 2: Convert to fraction form
    54,937.48/75,810.72 = 31,068.94/x
  3. Step 3: Cross multiply
    54,937.48x = 75,810.72 × 31,068.94
  4. Step 4: Simplify right side
    54,937.48x = 2,355,358,711.04
  5. Step 5: Solve for x
    x = 2,355,358,711.04/54,937.48
  6. Step 6: Final answer
    x = 42,873.44

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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.