Home / 88,031.58-121,483.23-47,745.18

Finding the Fourth Proportional to 88,031.58, 121,483.23 and 47,745.18

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Solution

The fourth proportional to 88,031.58, 121,483.23 and 47,745.18 is: 65,888.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,031.58 : 121,483.23 = 47,745.18 : x
  2. Step 2: Convert to fraction form
    88,031.58/121,483.23 = 47,745.18/x
  3. Step 3: Cross multiply
    88,031.58x = 121,483.23 × 47,745.18
  4. Step 4: Simplify right side
    88,031.58x = 5,800,238,683.33
  5. Step 5: Solve for x
    x = 5,800,238,683.33/88,031.58
  6. Step 6: Final answer
    x = 65,888.16

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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.