Home / 97,779.09-134,923.98-54,752.59

Finding the Fourth Proportional to 97,779.09, 134,923.98 and 54,752.59

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Solution

The fourth proportional to 97,779.09, 134,923.98 and 54,752.59 is: 75,552.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,779.09 : 134,923.98 = 54,752.59 : x
  2. Step 2: Convert to fraction form
    97,779.09/134,923.98 = 54,752.59/x
  3. Step 3: Cross multiply
    97,779.09x = 134,923.98 × 54,752.59
  4. Step 4: Simplify right side
    97,779.09x = 7,387,437,957.57
  5. Step 5: Solve for x
    x = 7,387,437,957.57/97,779.09
  6. Step 6: Final answer
    x = 75,552.33

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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.