Home / 123,677.04-170,673.12-67,088.40

Finding the Fourth Proportional to 123,677.04, 170,673.12 and 67,088.40

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Solution

The fourth proportional to 123,677.04, 170,673.12 and 67,088.40 is: 92,581.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,677.04 : 170,673.12 = 67,088.40 : x
  2. Step 2: Convert to fraction form
    123,677.04/170,673.12 = 67,088.40/x
  3. Step 3: Cross multiply
    123,677.04x = 170,673.12 × 67,088.40
  4. Step 4: Simplify right side
    123,677.04x = 11,450,186,543.81
  5. Step 5: Solve for x
    x = 11,450,186,543.81/123,677.04
  6. Step 6: Final answer
    x = 92,581.34

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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.