Home / 124,421.60-186,632.40-41,315.60

Finding the Fourth Proportional to 124,421.60, 186,632.40 and 41,315.60

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Solution

The fourth proportional to 124,421.60, 186,632.40 and 41,315.60 is: 61,973.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,421.60 : 186,632.40 = 41,315.60 : x
  2. Step 2: Convert to fraction form
    124,421.60/186,632.40 = 41,315.60/x
  3. Step 3: Cross multiply
    124,421.60x = 186,632.40 × 41,315.60
  4. Step 4: Simplify right side
    124,421.60x = 7,710,829,585.44
  5. Step 5: Solve for x
    x = 7,710,829,585.44/124,421.60
  6. Step 6: Final answer
    x = 61,973.40

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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.