Home / 90,430.48-135,634.02-23,875.62

Finding the Fourth Proportional to 90,430.48, 135,634.02 and 23,875.62

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Solution

The fourth proportional to 90,430.48, 135,634.02 and 23,875.62 is: 35,810.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,430.48 : 135,634.02 = 23,875.62 : x
  2. Step 2: Convert to fraction form
    90,430.48/135,634.02 = 23,875.62/x
  3. Step 3: Cross multiply
    90,430.48x = 135,634.02 × 23,875.62
  4. Step 4: Simplify right side
    90,430.48x = 3,238,346,320.59
  5. Step 5: Solve for x
    x = 3,238,346,320.59/90,430.48
  6. Step 6: Final answer
    x = 35,810.34

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1.5x scale

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.