Home / 90,254.53-124,547.79-49,967.56

Finding the Fourth Proportional to 90,254.53, 124,547.79 and 49,967.56

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Solution

The fourth proportional to 90,254.53, 124,547.79 and 49,967.56 is: 68,953.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,254.53 : 124,547.79 = 49,967.56 : x
  2. Step 2: Convert to fraction form
    90,254.53/124,547.79 = 49,967.56/x
  3. Step 3: Cross multiply
    90,254.53x = 124,547.79 × 49,967.56
  4. Step 4: Simplify right side
    90,254.53x = 6,223,349,169.69
  5. Step 5: Solve for x
    x = 6,223,349,169.69/90,254.53
  6. Step 6: Final answer
    x = 68,953.32

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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.