Home / 98,030.86-135,277.80-55,581.19

Finding the Fourth Proportional to 98,030.86, 135,277.80 and 55,581.19

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Solution

The fourth proportional to 98,030.86, 135,277.80 and 55,581.19 is: 76,699.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,030.86 : 135,277.80 = 55,581.19 : x
  2. Step 2: Convert to fraction form
    98,030.86/135,277.80 = 55,581.19/x
  3. Step 3: Cross multiply
    98,030.86x = 135,277.80 × 55,581.19
  4. Step 4: Simplify right side
    98,030.86x = 7,518,900,557.96
  5. Step 5: Solve for x
    x = 7,518,900,557.96/98,030.86
  6. Step 6: Final answer
    x = 76,699.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.