Home / 90,547.06-124,969.74-50,273.86

Finding the Fourth Proportional to 90,547.06, 124,969.74 and 50,273.86

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Solution

The fourth proportional to 90,547.06, 124,969.74 and 50,273.86 is: 69,386.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,547.06 : 124,969.74 = 50,273.86 : x
  2. Step 2: Convert to fraction form
    90,547.06/124,969.74 = 50,273.86/x
  3. Step 3: Cross multiply
    90,547.06x = 124,969.74 × 50,273.86
  4. Step 4: Simplify right side
    90,547.06x = 6,282,711,213.00
  5. Step 5: Solve for x
    x = 6,282,711,213.00/90,547.06
  6. Step 6: Final answer
    x = 69,386.14

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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.