Home / 98,290.48-135,641.24-55,851.32

Finding the Fourth Proportional to 98,290.48, 135,641.24 and 55,851.32

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Solution

The fourth proportional to 98,290.48, 135,641.24 and 55,851.32 is: 77,075.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,290.48 : 135,641.24 = 55,851.32 : x
  2. Step 2: Convert to fraction form
    98,290.48/135,641.24 = 55,851.32/x
  3. Step 3: Cross multiply
    98,290.48x = 135,641.24 × 55,851.32
  4. Step 4: Simplify right side
    98,290.48x = 7,575,742,300.44
  5. Step 5: Solve for x
    x = 7,575,742,300.44/98,290.48
  6. Step 6: Final answer
    x = 77,075.04

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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.