Home / 99,392.44-137,159.08-56,948.24

Finding the Fourth Proportional to 99,392.44, 137,159.08 and 56,948.24

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Solution

The fourth proportional to 99,392.44, 137,159.08 and 56,948.24 is: 78,587.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,392.44 : 137,159.08 = 56,948.24 : x
  2. Step 2: Convert to fraction form
    99,392.44/137,159.08 = 56,948.24/x
  3. Step 3: Cross multiply
    99,392.44x = 137,159.08 × 56,948.24
  4. Step 4: Simplify right side
    99,392.44x = 7,810,968,206.02
  5. Step 5: Solve for x
    x = 7,810,968,206.02/99,392.44
  6. Step 6: Final answer
    x = 78,587.15

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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.