Home / 103,245.24-142,495.02-58,547.64

Finding the Fourth Proportional to 103,245.24, 142,495.02 and 58,547.64

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Solution

The fourth proportional to 103,245.24, 142,495.02 and 58,547.64 is: 80,805.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,245.24 : 142,495.02 = 58,547.64 : x
  2. Step 2: Convert to fraction form
    103,245.24/142,495.02 = 58,547.64/x
  3. Step 3: Cross multiply
    103,245.24x = 142,495.02 × 58,547.64
  4. Step 4: Simplify right side
    103,245.24x = 8,342,747,132.75
  5. Step 5: Solve for x
    x = 8,342,747,132.75/103,245.24
  6. Step 6: Final answer
    x = 80,805.15

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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.