Home / 98,036.79-135,290.76-55,595.32

Finding the Fourth Proportional to 98,036.79, 135,290.76 and 55,595.32

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Solution

The fourth proportional to 98,036.79, 135,290.76 and 55,595.32 is: 76,721.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,036.79 : 135,290.76 = 55,595.32 : x
  2. Step 2: Convert to fraction form
    98,036.79/135,290.76 = 55,595.32/x
  3. Step 3: Cross multiply
    98,036.79x = 135,290.76 × 55,595.32
  4. Step 4: Simplify right side
    98,036.79x = 7,521,533,095.24
  5. Step 5: Solve for x
    x = 7,521,533,095.24/98,036.79
  6. Step 6: Final answer
    x = 76,721.54

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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.