Home / 52,303.56-78,454.65-12,861.01

Finding the Fourth Proportional to 52,303.56, 78,454.65 and 12,861.01

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Solution

The fourth proportional to 52,303.56, 78,454.65 and 12,861.01 is: 19,291.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,303.56 : 78,454.65 = 12,861.01 : x
  2. Step 2: Convert to fraction form
    52,303.56/78,454.65 = 12,861.01/x
  3. Step 3: Cross multiply
    52,303.56x = 78,454.65 × 12,861.01
  4. Step 4: Simplify right side
    52,303.56x = 1,009,006,038.20
  5. Step 5: Solve for x
    x = 1,009,006,038.20/52,303.56
  6. Step 6: Final answer
    x = 19,291.35

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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.