Home / 92,970.03-128,299.47-50,528.67

Finding the Fourth Proportional to 92,970.03, 128,299.47 and 50,528.67

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Solution

The fourth proportional to 92,970.03, 128,299.47 and 50,528.67 is: 69,730.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,970.03 : 128,299.47 = 50,528.67 : x
  2. Step 2: Convert to fraction form
    92,970.03/128,299.47 = 50,528.67/x
  3. Step 3: Cross multiply
    92,970.03x = 128,299.47 × 50,528.67
  4. Step 4: Simplify right side
    92,970.03x = 6,482,801,580.80
  5. Step 5: Solve for x
    x = 6,482,801,580.80/92,970.03
  6. Step 6: Final answer
    x = 69,730.01

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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.