Home / 90,718.24-125,206.64-52,501.05

Finding the Fourth Proportional to 90,718.24, 125,206.64 and 52,501.05

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Solution

The fourth proportional to 90,718.24, 125,206.64 and 52,501.05 is: 72,460.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,718.24 : 125,206.64 = 52,501.05 : x
  2. Step 2: Convert to fraction form
    90,718.24/125,206.64 = 52,501.05/x
  3. Step 3: Cross multiply
    90,718.24x = 125,206.64 × 52,501.05
  4. Step 4: Simplify right side
    90,718.24x = 6,573,479,804.47
  5. Step 5: Solve for x
    x = 6,573,479,804.47/90,718.24
  6. Step 6: Final answer
    x = 72,460.40

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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.