Home / 55,848.16-77,070.90-30,697.66

Finding the Fourth Proportional to 55,848.16, 77,070.90 and 30,697.66

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Solution

The fourth proportional to 55,848.16, 77,070.90 and 30,697.66 is: 42,363.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,848.16 : 77,070.90 = 30,697.66 : x
  2. Step 2: Convert to fraction form
    55,848.16/77,070.90 = 30,697.66/x
  3. Step 3: Cross multiply
    55,848.16x = 77,070.90 × 30,697.66
  4. Step 4: Simplify right side
    55,848.16x = 2,365,896,284.09
  5. Step 5: Solve for x
    x = 2,365,896,284.09/55,848.16
  6. Step 6: Final answer
    x = 42,363.01

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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.