Home / 88,006.59-121,417.20-57,808.26

Finding the Fourth Proportional to 88,006.59, 121,417.20 and 57,808.26

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Solution

The fourth proportional to 88,006.59, 121,417.20 and 57,808.26 is: 79,754.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,006.59 : 121,417.20 = 57,808.26 : x
  2. Step 2: Convert to fraction form
    88,006.59/121,417.20 = 57,808.26/x
  3. Step 3: Cross multiply
    88,006.59x = 121,417.20 × 57,808.26
  4. Step 4: Simplify right side
    88,006.59x = 7,018,917,066.07
  5. Step 5: Solve for x
    x = 7,018,917,066.07/88,006.59
  6. Step 6: Final answer
    x = 79,754.45

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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.