Home / 89,256.02-133,790.60-30,071.24

Finding the Fourth Proportional to 89,256.02, 133,790.60 and 30,071.24

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Solution

The fourth proportional to 89,256.02, 133,790.60 and 30,071.24 is: 45,075.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,256.02 : 133,790.60 = 30,071.24 : x
  2. Step 2: Convert to fraction form
    89,256.02/133,790.60 = 30,071.24/x
  3. Step 3: Cross multiply
    89,256.02x = 133,790.60 × 30,071.24
  4. Step 4: Simplify right side
    89,256.02x = 4,023,249,242.34
  5. Step 5: Solve for x
    x = 4,023,249,242.34/89,256.02
  6. Step 6: Final answer
    x = 45,075.38

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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.