Home / 53,148.40-79,703.70-23,513.20

Finding the Fourth Proportional to 53,148.40, 79,703.70 and 23,513.20

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Solution

The fourth proportional to 53,148.40, 79,703.70 and 23,513.20 is: 35,261.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,148.40 : 79,703.70 = 23,513.20 : x
  2. Step 2: Convert to fraction form
    53,148.40/79,703.70 = 23,513.20/x
  3. Step 3: Cross multiply
    53,148.40x = 79,703.70 × 23,513.20
  4. Step 4: Simplify right side
    53,148.40x = 1,874,089,038.84
  5. Step 5: Solve for x
    x = 1,874,089,038.84/53,148.40
  6. Step 6: Final answer
    x = 35,261.44

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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.