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Finding the Fourth Proportional to 60,448.04, 90,444.04 and 54,309.20

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Solution

The fourth proportional to 60,448.04, 90,444.04 and 54,309.20 is: 81,258.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,448.04 : 90,444.04 = 54,309.20 : x
  2. Step 2: Convert to fraction form
    60,448.04/90,444.04 = 54,309.20/x
  3. Step 3: Cross multiply
    60,448.04x = 90,444.04 × 54,309.20
  4. Step 4: Simplify right side
    60,448.04x = 4,911,943,457.17
  5. Step 5: Solve for x
    x = 4,911,943,457.17/60,448.04
  6. Step 6: Final answer
    x = 81,258.94

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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.