Home / 91,045.43-125,670.47-52,814.64

Finding the Fourth Proportional to 91,045.43, 125,670.47 and 52,814.64

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Solution

The fourth proportional to 91,045.43, 125,670.47 and 52,814.64 is: 72,900.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,045.43 : 125,670.47 = 52,814.64 : x
  2. Step 2: Convert to fraction form
    91,045.43/125,670.47 = 52,814.64/x
  3. Step 3: Cross multiply
    91,045.43x = 125,670.47 × 52,814.64
  4. Step 4: Simplify right side
    91,045.43x = 6,637,240,631.68
  5. Step 5: Solve for x
    x = 6,637,240,631.68/91,045.43
  6. Step 6: Final answer
    x = 72,900.32

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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.