Home / 125,973.20-189,032.70-47,095.40

Finding the Fourth Proportional to 125,973.20, 189,032.70 and 47,095.40

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Solution

The fourth proportional to 125,973.20, 189,032.70 and 47,095.40 is: 70,670.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,973.20 : 189,032.70 = 47,095.40 : x
  2. Step 2: Convert to fraction form
    125,973.20/189,032.70 = 47,095.40/x
  3. Step 3: Cross multiply
    125,973.20x = 189,032.70 × 47,095.40
  4. Step 4: Simplify right side
    125,973.20x = 8,902,570,619.58
  5. Step 5: Solve for x
    x = 8,902,570,619.58/125,973.20
  6. Step 6: Final answer
    x = 70,670.35

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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.