Home / 326,023.04-489,030.60-89,365.52

Finding the Fourth Proportional to 326,023.04, 489,030.60 and 89,365.52

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Solution

The fourth proportional to 326,023.04, 489,030.60 and 89,365.52 is: 134,047.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,023.04 : 489,030.60 = 89,365.52 : x
  2. Step 2: Convert to fraction form
    326,023.04/489,030.60 = 89,365.52/x
  3. Step 3: Cross multiply
    326,023.04x = 489,030.60 × 89,365.52
  4. Step 4: Simplify right side
    326,023.04x = 43,702,473,864.91
  5. Step 5: Solve for x
    x = 43,702,473,864.91/326,023.04
  6. Step 6: Final answer
    x = 134,047.19

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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.