Home / 64,853.19-89,503.27-39,366.05

Finding the Fourth Proportional to 64,853.19, 89,503.27 and 39,366.05

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Solution

The fourth proportional to 64,853.19, 89,503.27 and 39,366.05 is: 54,328.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,853.19 : 89,503.27 = 39,366.05 : x
  2. Step 2: Convert to fraction form
    64,853.19/89,503.27 = 39,366.05/x
  3. Step 3: Cross multiply
    64,853.19x = 89,503.27 × 39,366.05
  4. Step 4: Simplify right side
    64,853.19x = 3,523,389,656.05
  5. Step 5: Solve for x
    x = 3,523,389,656.05/64,853.19
  6. Step 6: Final answer
    x = 54,328.70

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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.