Home / 67,055.48-92,547.78-38,376.32

Finding the Fourth Proportional to 67,055.48, 92,547.78 and 38,376.32

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Solution

The fourth proportional to 67,055.48, 92,547.78 and 38,376.32 is: 52,965.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,055.48 : 92,547.78 = 38,376.32 : x
  2. Step 2: Convert to fraction form
    67,055.48/92,547.78 = 38,376.32/x
  3. Step 3: Cross multiply
    67,055.48x = 92,547.78 × 38,376.32
  4. Step 4: Simplify right side
    67,055.48x = 3,551,643,220.57
  5. Step 5: Solve for x
    x = 3,551,643,220.57/67,055.48
  6. Step 6: Final answer
    x = 52,965.74

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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.