Home / 90,075.19-124,286.65-56,526.07

Finding the Fourth Proportional to 90,075.19, 124,286.65 and 56,526.07

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Solution

The fourth proportional to 90,075.19, 124,286.65 and 56,526.07 is: 77,995.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,075.19 : 124,286.65 = 56,526.07 : x
  2. Step 2: Convert to fraction form
    90,075.19/124,286.65 = 56,526.07/x
  3. Step 3: Cross multiply
    90,075.19x = 124,286.65 × 56,526.07
  4. Step 4: Simplify right side
    90,075.19x = 7,025,435,877.97
  5. Step 5: Solve for x
    x = 7,025,435,877.97/90,075.19
  6. Step 6: Final answer
    x = 77,995.24

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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.