Home / 63,705.60-87,681.66-56,102.16

Finding the Fourth Proportional to 63,705.60, 87,681.66 and 56,102.16

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Solution

The fourth proportional to 63,705.60, 87,681.66 and 56,102.16 is: 77,216.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,705.60 : 87,681.66 = 56,102.16 : x
  2. Step 2: Convert to fraction form
    63,705.60/87,681.66 = 56,102.16/x
  3. Step 3: Cross multiply
    63,705.60x = 87,681.66 × 56,102.16
  4. Step 4: Simplify right side
    63,705.60x = 4,919,130,518.39
  5. Step 5: Solve for x
    x = 4,919,130,518.39/63,705.60
  6. Step 6: Final answer
    x = 77,216.61

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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.