Home / 99,357.61-137,117.01-56,924.34

Finding the Fourth Proportional to 99,357.61, 137,117.01 and 56,924.34

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Solution

The fourth proportional to 99,357.61, 137,117.01 and 56,924.34 is: 78,557.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,357.61 : 137,117.01 = 56,924.34 : x
  2. Step 2: Convert to fraction form
    99,357.61/137,117.01 = 56,924.34/x
  3. Step 3: Cross multiply
    99,357.61x = 137,117.01 × 56,924.34
  4. Step 4: Simplify right side
    99,357.61x = 7,805,295,297.02
  5. Step 5: Solve for x
    x = 7,805,295,297.02/99,357.61
  6. Step 6: Final answer
    x = 78,557.60

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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.