Home / 53,170.63-73,368.69-30,510.57

Finding the Fourth Proportional to 53,170.63, 73,368.69 and 30,510.57

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Solution

The fourth proportional to 53,170.63, 73,368.69 and 30,510.57 is: 42,100.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,170.63 : 73,368.69 = 30,510.57 : x
  2. Step 2: Convert to fraction form
    53,170.63/73,368.69 = 30,510.57/x
  3. Step 3: Cross multiply
    53,170.63x = 73,368.69 × 30,510.57
  4. Step 4: Simplify right side
    53,170.63x = 2,238,520,712.77
  5. Step 5: Solve for x
    x = 2,238,520,712.77/53,170.63
  6. Step 6: Final answer
    x = 42,100.70

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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.