Home / 105,284.22-145,291.98-59,962.20

Finding the Fourth Proportional to 105,284.22, 145,291.98 and 59,962.20

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Solution

The fourth proportional to 105,284.22, 145,291.98 and 59,962.20 is: 82,747.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,284.22 : 145,291.98 = 59,962.20 : x
  2. Step 2: Convert to fraction form
    105,284.22/145,291.98 = 59,962.20/x
  3. Step 3: Cross multiply
    105,284.22x = 145,291.98 × 59,962.20
  4. Step 4: Simplify right side
    105,284.22x = 8,712,026,763.16
  5. Step 5: Solve for x
    x = 8,712,026,763.16/105,284.22
  6. Step 6: Final answer
    x = 82,747.70

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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.