Home / 92,685.29-139,038.88-69,459.35

Finding the Fourth Proportional to 92,685.29, 139,038.88 and 69,459.35

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Solution

The fourth proportional to 92,685.29, 139,038.88 and 69,459.35 is: 104,197.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,685.29 : 139,038.88 = 69,459.35 : x
  2. Step 2: Convert to fraction form
    92,685.29/139,038.88 = 69,459.35/x
  3. Step 3: Cross multiply
    92,685.29x = 139,038.88 × 69,459.35
  4. Step 4: Simplify right side
    92,685.29x = 9,657,550,403.48
  5. Step 5: Solve for x
    x = 9,657,550,403.48/92,685.29
  6. Step 6: Final answer
    x = 104,197.23

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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.