Home / 65,117.20-97,416.60-56,448.40

Finding the Fourth Proportional to 65,117.20, 97,416.60 and 56,448.40

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Solution

The fourth proportional to 65,117.20, 97,416.60 and 56,448.40 is: 84,447.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,117.20 : 97,416.60 = 56,448.40 : x
  2. Step 2: Convert to fraction form
    65,117.20/97,416.60 = 56,448.40/x
  3. Step 3: Cross multiply
    65,117.20x = 97,416.60 × 56,448.40
  4. Step 4: Simplify right side
    65,117.20x = 5,499,011,203.44
  5. Step 5: Solve for x
    x = 5,499,011,203.44/65,117.20
  6. Step 6: Final answer
    x = 84,447.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.