Home / 90,075.44-124,287-56,526.32

Finding the Fourth Proportional to 90,075.44, 124,287 and 56,526.32

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Solution

The fourth proportional to 90,075.44, 124,287 and 56,526.32 is: 77,995.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,075.44 : 124,287 = 56,526.32 : x
  2. Step 2: Convert to fraction form
    90,075.44/124,287 = 56,526.32/x
  3. Step 3: Cross multiply
    90,075.44x = 124,287 × 56,526.32
  4. Step 4: Simplify right side
    90,075.44x = 7,025,486,733.84
  5. Step 5: Solve for x
    x = 7,025,486,733.84/90,075.44
  6. Step 6: Final answer
    x = 77,995.59

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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.