Home / 70,686.19-97,547.14-40,471.97

Finding the Fourth Proportional to 70,686.19, 97,547.14 and 40,471.97

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Solution

The fourth proportional to 70,686.19, 97,547.14 and 40,471.97 is: 55,851.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,686.19 : 97,547.14 = 40,471.97 : x
  2. Step 2: Convert to fraction form
    70,686.19/97,547.14 = 40,471.97/x
  3. Step 3: Cross multiply
    70,686.19x = 97,547.14 × 40,471.97
  4. Step 4: Simplify right side
    70,686.19x = 3,947,925,218.12
  5. Step 5: Solve for x
    x = 3,947,925,218.12/70,686.19
  6. Step 6: Final answer
    x = 55,851.44

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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.