Home / 90,514.67-124,828.49-56,526.26

Finding the Fourth Proportional to 90,514.67, 124,828.49 and 56,526.26

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Solution

The fourth proportional to 90,514.67, 124,828.49 and 56,526.26 is: 77,955.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,514.67 : 124,828.49 = 56,526.26 : x
  2. Step 2: Convert to fraction form
    90,514.67/124,828.49 = 56,526.26/x
  3. Step 3: Cross multiply
    90,514.67x = 124,828.49 × 56,526.26
  4. Step 4: Simplify right side
    90,514.67x = 7,056,087,198.32
  5. Step 5: Solve for x
    x = 7,056,087,198.32/90,514.67
  6. Step 6: Final answer
    x = 77,955.18

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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.