Home / 92,130.11-127,075.93-56,337.74

Finding the Fourth Proportional to 92,130.11, 127,075.93 and 56,337.74

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Solution

The fourth proportional to 92,130.11, 127,075.93 and 56,337.74 is: 77,707.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,130.11 : 127,075.93 = 56,337.74 : x
  2. Step 2: Convert to fraction form
    92,130.11/127,075.93 = 56,337.74/x
  3. Step 3: Cross multiply
    92,130.11x = 127,075.93 × 56,337.74
  4. Step 4: Simplify right side
    92,130.11x = 7,159,169,928.37
  5. Step 5: Solve for x
    x = 7,159,169,928.37/92,130.11
  6. Step 6: Final answer
    x = 77,707.17

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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.