Home / 53,235.34-79,880.04-35,478.16

Finding the Fourth Proportional to 53,235.34, 79,880.04 and 35,478.16

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Solution

The fourth proportional to 53,235.34, 79,880.04 and 35,478.16 is: 53,235.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,235.34 : 79,880.04 = 35,478.16 : x
  2. Step 2: Convert to fraction form
    53,235.34/79,880.04 = 35,478.16/x
  3. Step 3: Cross multiply
    53,235.34x = 79,880.04 × 35,478.16
  4. Step 4: Simplify right side
    53,235.34x = 2,833,996,839.93
  5. Step 5: Solve for x
    x = 2,833,996,839.93/53,235.34
  6. Step 6: Final answer
    x = 53,235.25

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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.