Home / 89,848.60-134,870.10-56,606.20

Finding the Fourth Proportional to 89,848.60, 134,870.10 and 56,606.20

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Solution

The fourth proportional to 89,848.60, 134,870.10 and 56,606.20 is: 84,970.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,848.60 : 134,870.10 = 56,606.20 : x
  2. Step 2: Convert to fraction form
    89,848.60/134,870.10 = 56,606.20/x
  3. Step 3: Cross multiply
    89,848.60x = 134,870.10 × 56,606.20
  4. Step 4: Simplify right side
    89,848.60x = 7,634,483,854.62
  5. Step 5: Solve for x
    x = 7,634,483,854.62/89,848.60
  6. Step 6: Final answer
    x = 84,970.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.