Home / 58,870.35-81,455.02-51,332.40

Finding the Fourth Proportional to 58,870.35, 81,455.02 and 51,332.40

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Solution

The fourth proportional to 58,870.35, 81,455.02 and 51,332.40 is: 71,025.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,870.35 : 81,455.02 = 51,332.40 : x
  2. Step 2: Convert to fraction form
    58,870.35/81,455.02 = 51,332.40/x
  3. Step 3: Cross multiply
    58,870.35x = 81,455.02 × 51,332.40
  4. Step 4: Simplify right side
    58,870.35x = 4,181,281,540.32
  5. Step 5: Solve for x
    x = 4,181,281,540.32/58,870.35
  6. Step 6: Final answer
    x = 71,025.25

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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.